Heavy scissors for plastic pipes

Abstract

The utility model relates to the technical field of plastic pipes, in particular to plastic pipe heavy scissors which comprise a base, limiting plates and blades, the two limiting plates are fixedly connected to the rear position of the top of the base, a first handle is fixedly connected to the front end of the base, and a supporting plate is fixedly connected to the front position of the top of the base. A second handle is rotationally connected to the front side of the supporting plate, a reset spring is rotationally connected to the highest position of the front side of the supporting plate, and the rearmost end of the top of the second handle is rotationally connected with the reset spring. According to the device, the plastic pipe can be limited through the limiting plate, the hydraulic rod drives the cutter box to move, the driving motor drives the blade to stretch out backwards, the pipe is rapidly cut through the blade, time and labor are saved, the plastic pipe cannot move in the cutting process, and the flatness of the cutting face of the pipe can be guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic pipes, and particularly relates to a heavy-duty plastic pipe scissor. Background Art

[0002] Plastic pipes can be used to transport various substances, and are relatively light and not easy to rust, so they are widely used. Before installation, plastic pipes need to be cut according to actual situations to obtain pipes with appropriate lengths before subsequent installation can be carried out.

[0003] Since plastic pipes need to be cut on-site during installation, relatively light cutting tools are required for operation. Currently, people use manual saw blades to cut plastic pipes. The saw blades need to be manually operated and the cutting is slow, time-consuming and laborious. Due to the long cutting time, the plastic pipes will displace during the cutting process, resulting in uneven cutting surfaces of the pipes. Therefore, a heavy-duty plastic pipe scissor is proposed for the above problems. Content of the Utility Model

[0004] The purpose of the utility model is to provide a heavy-duty plastic pipe scissor to solve the problems that using a saw blade to cut plastic pipes requires manual operation, is slow in cutting, time-consuming and laborious, and due to the long cutting time, the plastic pipes will displace during the cutting process, resulting in uneven cutting surfaces of the pipes.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A heavy-duty plastic pipe scissor includes a base, a limiting plate and a blade. Two limiting plates are fixedly connected to the rearward position of the top of the base. A first handle is fixedly connected to the front end of the base. A support plate is fixedly connected to the forward position of the top of the base. A second handle is rotatably connected to the front side of the support plate. A return spring is rotatably connected to the highest position on the front side of the support plate. The rearward end of the top of the second handle is rotatably connected to the return spring. A pressing block is fixedly connected to the bottom of the second handle. A button controller is fixedly connected to the foremost position of the top of the base. Blocks are fixedly connected to both the left and right ends of the top of the button controller. Two hydraulic rods are fixedly connected to the rear side of the support plate. The front ends of the hydraulic rods are fixedly connected to a knife box. A blade is slidably connected to the receiving groove of the knife box. Screw blocks are slidably connected to both track grooves of the knife box. The front side of the blade is fixedly connected to the two screw blocks. Two drive motors are fixedly connected to the front side of the knife box. The main shafts of the drive motors are fixedly connected with screws. The inner sides of the two screw blocks are respectively in screw connection with the screws. The knife box is rotatably connected to the screw through a rotating groove. A sliding block is fixedly connected to the bottom of the knife box. The base is slidably connected to the sliding block through a sliding groove.

[0007] Preferably, a sliding groove in the front-back direction is provided at the middle position of the base, the limiting plates are both of a bent structure, the first handle and the second handle are both cylindrical handles, the support plate is composed of a vertical plate and an inclined plate, and the front side of the vertical plate of the support plate is fixedly connected to the inclined plate.

[0008] Preferably, the length of the pressing block in the left-right direction is equal to the distance between the two stoppers, the button of the button controller is located between the two stoppers, and the button controller is electrically connected to the hydraulic rod and the driving motor respectively.

[0009] Preferably, an accommodating groove and two track grooves are provided inside the knife box, a rectangular cutting opening is provided at the rear end of the knife box, and two rotating grooves are provided on both the front and rear sides of the knife box.

[0010] Preferably, a through threaded groove is provided on the right side of the upper screw block, a through threaded groove is provided on the left side of the lower screw block, and the two screw rods are respectively located in the left half and the right half of the inside of the knife box.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] In the present utility model, through the provided limiting plates, pressing block, button controller, hydraulic rod, knife box and blade, the device can limit the plastic pipe through the limiting plates, drive the knife box to move through the hydraulic rod, drive the blade to protrude backward through the driving motor, and cut the pipe quickly through the blade, which is time-saving and labor-saving. Moreover, the plastic pipe will not be displaced during the cutting process, and the flatness of the pipe cutting surface can be ensured. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0014] Figure 2 is a schematic diagram of the handle installation structure of the present utility model;

[0015] Figure 3 is a sectional view of the blade installation structure of the present utility model;

[0016] Figure 4 is a schematic diagram of the screw block installation structure of the present utility model;

[0017] Figure 5 is a schematic diagram of the stopper installation structure of the present utility model;

[0018] Figure 6 is of the present utility model Figure 2 schematic diagram of the structure at position A.

[0019] In the figure: 1, base; 2, limit plate; 3, first handle; 4, support plate; 5, second handle; 6, return spring; 7, pressing block; 8, button controller; 9, stop block; 10, hydraulic rod; 11, knife box; 12, blade; 13, screw block; 14, drive motor; 15, screw; 16, sliding block. Specific implementation manner

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0021] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by orientation words such as "front, back, up, down, left, right", "horizontal, vertical, perpendicular, horizontal" and "top, bottom" is usually based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description. Without contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, so it cannot be understood as a limitation on the protection scope of the present invention; the orientation words "inside, outside" refer to the inside and outside relative to the contour of each component itself.

[0022] In addition, it should be noted that the use of words such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Without otherwise stating, these words have no special meaning, so it cannot be understood as a limitation on the protection scope of the present invention.

[0023] Please refer to Figures 1-6 , the present invention provides a technical solution:

[0024] A heavy-duty plastic pipe cutter, comprising a base 1, a limiting plate 2 and a blade 12. Two limiting plates 2 are fixedly connected to the rear position of the top of the base 1. A first handle 3 is fixedly connected to the front end of the base 1. A support plate 4 is fixedly connected to the front position of the top of the base 1. A second handle 5 is rotatably connected to the front side of the support plate 4. A return spring 6 is rotatably connected to the highest position of the front side of the support plate 4. The top rear end of the second handle 5 is rotatably connected to the return spring 6. A pressing block 7 is fixedly connected to the bottom of the second handle 5. A button controller 8 is fixedly connected to the frontmost position of the top of the base 1. Two stoppers 9 are fixedly connected to the left and right ends of the top of the button controller 8. Two hydraulic rods 10 are fixedly connected to the rear side of the support plate 4. The front end of the hydraulic rod 10 is fixedly connected to a knife box 11. A blade 12 is slidably connected to the receiving groove of the knife box 11. Two screw blocks 13 are slidably connected to the two track grooves of the knife box 11. The front side of the blade 12 is fixedly connected to the two screw blocks 13. Two driving motors 14 are fixedly connected to the front side of the knife box 11. The main shafts of the driving motors 14 are fixedly connected with screw rods 15. The inner sides of the two screw blocks 13 are respectively helically connected with the screw rods 15. The knife box 11 is rotatably connected to the screw rod 15 through a rotating groove. A sliding block 16 is fixedly connected to the bottom of the knife box 11. The base 1 is slidably connected to the sliding block 16 through a sliding groove.

[0025] A sliding groove in the front-rear direction is provided at the middle position of the base 1. The limiting plates 2 are both of a curved structure. The first handle 3 and the second handle 5 are both cylindrical handles. The support plate 4 is composed of a vertical plate and an inclined plate. The front side of the vertical plate of the support plate 4 is fixedly connected to the inclined plate. The support plate 4 can limit the second handle 5 and the hydraulic rod 10. The length of the pressing block 7 in the left-right direction is equal to the distance between the two stoppers 9. The button of the button controller 8 is located between the two stoppers 9. The button controller 8 is electrically connected to the hydraulic rod 10 and the driving motor 14 respectively. The button controller 8 can control the operating states of the hydraulic rod 10 and the driving motor 14. An accommodating groove and two track grooves are provided inside the knife box 11. A rectangular cutting opening is provided at the rear end of the knife box 11. Two rotating grooves are provided on both the front and rear sides of the knife box 11. The knife box 11 can accommodate the blade 12. A through-thread groove is provided on the right side of the upper screw block 13. A through-thread groove is provided on the left side of the lower screw block 13. The two screw rods 15 are respectively located in the left half and the right half of the inside of the knife box 11. The screw block 13 can cooperate with the screw rod 15 to adjust the position of the blade 12.

[0026] Workflow: The device is equipped with a mobile power source. The button controller 8, hydraulic rod 10, and drive motor 14 of the device are all electrical appliances. The device powers the button controller 8, hydraulic rod 10, and drive motor 14 through the mobile power source. The button controller 8 of the device is electrically connected to the hydraulic rod 10 and drive motor 14 respectively. The button controller 8 can control the operating states of the hydraulic rod 10 and drive motor 14. The above are all prior arts. When the device is not in use, the reset spring 6 on the front side of the support plate 4 is in a slightly stretched state. The second handle 5 is restricted by the pulling force of the reset spring 6, and the second handle 5 maintains an upwardly inclined state. The blade 12 is completely located inside the knife box 11. When using the device, place the plastic pipe to be cut inside the limit plate 2 on the top of the base 1. The staff holds the first handle 3 and the second handle 5 with both hands, making the second handle 5 turn into a horizontal state. The second handle 5 drives the pressing block 7 to move. The pressing block 7 can press the control button on the top of the button controller 8. The button controller 8 can control the two hydraulic rods 10 to extend backward synchronously. The hydraulic rods 10 drive the knife box 11 to move backward, and at the same time, the sliding block 16 slides backward along the sliding groove of the base 1. After the hydraulic rods 10 are fully extended, the button controller 8 can control the two drive motors 14 to rotate synchronously. The drive motors 14 drive the screw 15 to rotate, which can make the screw block 13 slide backward along the slide rail groove of the knife box 11. The screw block 13 can drive the blade 12 to protrude from the receiving groove of the knife box 11. When the tip of the rear end of the blade 12 contacts the plastic pipe, the plastic pipe can be fixed. Subsequently, the blade 12 continues to move backward to cut the plastic pipe. After the blade 12 is fully extended, the drive motor 14 stops, and one cutting can be completed. At this time, the staff releases the restrictions on the first handle 3 and the second handle 5. The reset spring 6 resets the second handle 5 and the pressing block 7, thereby resetting the control button of the button controller 8. The button controller 8 then controls the drive motor 14 to reverse and the hydraulic rod 10 to retract, resetting the blade 12 and the knife box 11. The control button of the button controller 8 is located between the two stoppers 9, which can prevent the button controller 8 from being accidentally activated when the device is not in use. The device can limit the plastic pipe through the limit plate 2, drive the knife box 11 to move through the hydraulic rod 10, drive the blade 12 to protrude backward through the drive motor 14, and quickly cut the pipe through the blade 12, which is relatively time-saving and labor-saving. Moreover, the plastic pipe will not be displaced during the cutting process, which can ensure the flatness of the pipe cutting surface.

[0027] The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art. The standard parts used in the present utility model can all be purchased from the market. The special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part all adopt conventional means such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts, and equipment all adopt conventional models in the prior art. Coupled with the circuit connection adopting the conventional connection method in the prior art, it will not be elaborated here.

[0028] Although the embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A heavy-duty scissors for plastic pipes, comprising a base (1), a limit plate (2) and a blade (12), characterized in that: Two limit plates (2) are fixedly connected to the rear position of the top of the base (1); a first handle (3) is fixedly connected to the front end of the base (1); a support plate (4) is fixedly connected to the front position of the top of the base (1); a second handle (5) is rotatably connected to the front side of the support plate (4); a return spring (6) is rotatably connected to the highest point of the front side of the support plate (4); the rear end of the top of the second handle (5) is rotatably connected to the return spring (6); a pressing block (7) is fixedly connected to the bottom of the second handle (5); a button controller (8) is fixedly connected to the front end of the top of the base (1); both left and right ends of the top of the button controller (8) are fixedly connected to stoppers (9); and two hydraulic rods (1) are fixedly connected to the rear side of the support plate (4). 0), the front end of the hydraulic rod (10) is fixedly connected to a knife box (11), a blade (12) is slidably connected in the receiving groove of the knife box (11), a screw block (13) is slidably connected in the two track grooves of the knife box (11), the front side of the blade (12) is fixedly connected to the two screw blocks (13), the front side of the knife box (11) is fixedly connected to two driving motors (14), the main shafts of the driving motors (14) are fixedly connected to screw rods (15), the inner sides of the two screw blocks (13) are respectively spirally connected to the screw rods (15), the knife box (11) is rotatably connected to the screw rod (15) through the rotating groove, the bottom of the knife box (11) is fixedly connected to a sliding block (16), and the base (1) is slidably connected to the sliding block (16) through the sliding groove.

2. The heavy-duty scissors for plastic pipes according to claim 1, characterized in that: A sliding groove in the front-to-back direction is provided in the middle of the base (1); the limit plates (2) are all curved structures; the first handle (3) and the second handle (5) are both cylindrical handles; the support plate (4) is composed of a vertical plate and an inclined plate; the front side of the vertical plate of the support plate (4) is fixedly connected to the inclined plate.

3. The heavy-duty scissors for plastic pipes according to claim 1, characterized in that: The length of the pressing block (7) in the left-right direction is equal to the distance between the two blocks (9), the button of the button controller (8) is located between the two blocks (9), and the button controller (8) is electrically connected to the hydraulic rod (10) and the driving motor (14) respectively.

4. The heavy-duty scissors for plastic pipes according to claim 1, characterized in that: The inner side of the knife box (11) is provided with a receiving groove and two track grooves, the rear end of the knife box (11) is provided with a rectangular knife outlet, and the front and rear sides of the knife box (11) are both provided with two rotation grooves.

5. The heavy-duty scissors for plastic pipes according to claim 1, characterized in that: A through thread groove is provided on the right side of the screw block (13) located on the upper side, and a through thread groove is provided on the left side of the screw block (13) located on the lower side. The two screw rods (15) are respectively located in the left and right halves of the knife box (11).

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